Home / 68,122.08-93,960-45,449.64

Finding the Fourth Proportional to 68,122.08, 93,960 and 45,449.64

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Solution

The fourth proportional to 68,122.08, 93,960 and 45,449.64 is: 62,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,122.08 : 93,960 = 45,449.64 : x
  2. Step 2: Convert to fraction form
    68,122.08/93,960 = 45,449.64/x
  3. Step 3: Cross multiply
    68,122.08x = 93,960 × 45,449.64
  4. Step 4: Simplify right side
    68,122.08x = 4,270,448,174.40
  5. Step 5: Solve for x
    x = 4,270,448,174.40/68,122.08
  6. Step 6: Final answer
    x = 62,688.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.